Peters Professional Peat-Lite products are highly-specialized formulations that let growers dial in their fertilization programs to exacting levels.
15-3-25 Flowering Crop Special + black Iron
Peters Professional® Flowering Crop Special with black Iron is a formulation of three chelated Irons, including black Iron. This new M-77® chelated system is specifically designed for petunias and other high Iron demanding plants.
Black Iron is the strongest iron chelate used for growing ornamentals, making iron available to plants over the widest range of pH.